Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3c1a28d7efb77914aae472e6ed423610204aeca6f5a2919229c1783a5267f4fc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^